jun 14, 21000 BC - Oldest known man-made structure

Description:

The Cave of Theopetra, just a few miles from Meteora and is a very unique archeological site. The Thepetra Caves revealed many of our early history secrets, like the finding of the oldest known man-made structure on earth. The structure is a stone wall that blocked two-thirds of the entrance to the Theopetra cave near Kalambaka on the north edge of the Thessalian plain. It was constructed 23,000 years ago, probably as a barrier to cold winds. his unique cave with its great location, its superb access to fresh clean water and its vantage point, it served like a magnet for those early inhabitants who could recognize from miles away such key advantages.

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